FYI:

   ----- The following addresses had permanent fatal errors -----
""andrea.franceschini@linet.it
<<< 501 Syntax error in address ""andrea.franceschini@linet.it
554 ""andrea.franceschini@linet.it... Service unavailable

 You should fix your mail setup, the "" is too much in your address.

[...]
> 1 - 'chat' doesn't work

 Sure does for me.

> 2 - Sometimes i got this error from pppd:Serial device is looped Back

 Wrong pppd setup, I guess.

> 3 - The modem seems dead:)

 Cant be. :-)

 lynx ftp://ftp.uni-regensburg.de/pub/NetBSD-Amiga/docs/NetworkingFAQ/index.html

 "man tip" for test connection with the modem
 "man pppd" for further infos on pppd - including chat script. 

-- 
Markus Illenseer
NetBSD 1.3.2 CD-ROM "Gateway! Vol. 3" now shipping!  See:  http://core.de/